Frequencies for first 10,000 rows of clia_lab_classification_cd_8 variable in p CLIA_LAB_CL | ASSIFICATIO | N_CD_8 | Freq. Percent Cum. ------------+----------------------------------- 0 | 2,870 28.70 28.70 5 | 1 0.01 28.71 . | 7,129 71.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016